SPRINGFIELD — Police are asking for information about a suspicious man who approached a girl at Riverside Middle School on Thursday.

The unidentified man reportedly approached a girl who was in the school’s parking area Thursday afternoon. The girl told police the man asked her questions and she became frightened and fled into the school.

The girl and a witness described the man as being of medium height with short brown hair, a dark-colored hood and outer garments and dark-colored pants.

The man reportedly looked dirty with “ratty-looking’’ clothes.

The man was driving an older model four-door sedan with light brown or tan license plates.

Anyone who was at the middle school between 3:30 and 5:30 p.m. Thursday and saw the man is asked to call police at 885-2113.